package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Slf4j
@Api(tags = "菜品相关接口")
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @ApiOperation(value = "新增菜品")
    @PostMapping
    public Result save(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品：{}", dishDTO);

        dishService.save(dishDTO);

        //清理缓存数据
        String key = "dish_" + dishDTO.getCategoryId();
        cleanCache(key);

        return Result.success();
    }

    /**
     * 菜品分页查询
     * @param dishPageQueryDTO
     * @return
     */
    @ApiOperation(value = "菜品分页查询")
    @GetMapping("/page")
    public Result<PageResult> selectByPage(DishPageQueryDTO dishPageQueryDTO) {
        log.info("菜品分页查询：{}", dishPageQueryDTO);

        PageResult pageResult = dishService.selectByPage(dishPageQueryDTO);

        return Result.success(pageResult);
    }

    /**
     * 批量删除菜品
     * @param ids
     * @return
     */
    @ApiOperation(value = "批量删除菜品")
    @DeleteMapping
    public Result deleteBatch(@RequestParam List<Long> ids) {
        log.info("批量删除菜品{}", ids);

        dishService.deleteBatch(ids);

        //清除redis缓存数据,所有dish_开头的数据
        cleanCache("dish_*");

        return Result.success();
    }

    /**
     * 根据id查询菜品
     * @param id
     * @return
     */
    @ApiOperation("根据id查询菜品")
    @GetMapping("{id}")
    public Result<DishVO> selectById(@PathVariable Long id) {
        log.info("根据id查询菜品");

        DishVO dishVO = dishService.selectByIdWithFlavor(id);

        return Result.success(dishVO);
    }

    /**
     * 更新菜品
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("更新菜品信息")
    public Result update(@RequestBody DishDTO dishDTO) {
        log.info("跟新菜品信息:{}", dishDTO);

        dishService.updateWithFlavor(dishDTO);

        //清除redis缓存数据,所有dish_开头的数据
        cleanCache("dish_*");

        return Result.success();
    }

    /**
     * 启用或禁用菜品
     * @param status
     * @param id
     * @return
     */
    @ApiOperation("启用或禁用菜品")
    @PostMapping("status/{status}")
    public Result disableOrEnable(@PathVariable Integer status, Long id) {
        log.info("启用或禁用菜品，id：{}，status：{}", id, status);

        dishService.disableOrEnable(status, id);

        //清除redis缓存数据,所有dish_开头的数据
        cleanCache("dish_*");

        return Result.success();
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> selectByCategoryId(Long categoryId) {
        log.info("根据分类id查询菜品：{}", categoryId);

        List<Dish> dish = dishService.selectByCategoryId(categoryId);

        return Result.success(dish);
    }

    /**
     * 清理redis缓存数据
     * @param Pattern
     */
    private void cleanCache(String Pattern) {
        Set keys = redisTemplate.keys(Pattern);
        redisTemplate.delete(keys);
    }
}
